MIC/LINE INPUTS & OUTPUTS

• Inputs: Balanced audio inputs, 3.81mm Orange color Phoenix/Euroblock type male header, Push-on mini-terminal block
• Outputs: Balanced audio outputs, 3.81mm Black color Phoenix/Euroblock type male header, Push-on mini-terminal block
• Frequency Response: 20 Hz – 22 kHz @ +4 dBu, +/-0.5 dBu
• EIN (Equivalent Input Noise): 20 kHz BW, max gain, Rs= 150 Ω, -126 dBu
• THD + N (Total Harmonic Distortion + Noise):
  • 20 Hz – 22 kHz @ +4 dBu, line level, 0.006%
  • 20 Hz – 22 kHz @ -56 dBu, mic level, <0.04%
• Dynamic Range: 20 Hz – 20 kHz @ 0 dB, > 105 dB
• Crosstalk (Mic/Line): Channel to Channel, stimulus at 20 dBu to receptor at -56 dBu, 1 kHz, < -98 dB
• Input Impedance: Balanced (line to ground), 2.2 kΩ, 1%
• Nominal Input Level: Adjustable -56 dB to 0 dB, 7 dB step coarse gain
• Maximum Input Level: -65 dBu to 20 dBu
• Phantom Power: 48 V, Impedance 6.81 kΩ
• Output Impedance: Balanced (line to ground), 95 Ω, 1%
• Output Level: 0 dBu (Nominal), 20 dBu (Max), -40 dBu (Selectable)

USB AUDIO

• Port Type: USB-B connector
• Audio: Digital Audio, 2 x 2 bidirectional channels
• Sample Rate: 48 kHz
• Sample Bit Depth: 24-Bit
• Compatible: USB 2.0, USB 3.0

TELEPHONE

• Port Type: RJ11 Frequency Response:
  • Mic/Line Input to Telephone Out: 250 Hz – 3.4 kHz, +/- 2 dB, 4 dBu
  • Telephone In to Mic/Line Out: 250 Hz – 3.4 kHz, +/- 2 dB, -15 dBu
• THD + N:
  • Mic/Line Input to Telephone Out: <0.1% @ 4 dBu
  • Telephone In to Mic/Line Out: <0.3% @ -15 dBu
• Dynamic Range:
  • Mic/Line Input to Telephone Out: > 67 dBu
  • Telephone In to Mic/Line Out: > 87 dBu
• REN: Ringer Equivalent Number 0.2
• Transhybrid Balance: 30 dB (1 kHz, all AC terminations)

VoIP

• Port Type: RJ-45, 10/100 Mbps Ethernet Network, Auto Negotiation
• Audio: 5 Lines
• Codec: G.711 uLaw, G.711 ALaw, G.722

ETHERNET

• Port Type: RJ-45, 10/100 Mbps Ethernet Network, Auto Negotiation
• IP address: IPv4 (IPv6 upgradeable through future s/w, f/w upgrade)

AMPLIFIER OUTPUT

• Speaker Output Port: Dual binding posts
• Audio: 2 Channels
• Output Power: 10W Max, 8Ω load
• Frequency Response: 20Hz – 22kHz @ +10dBu, +/- 0.5dBu
• THD + N: 20Hz – 22kHz @ +10dBu, 1W, <0.3%
• Dynamic Range: 20Hz – 22kHz @ 20dB, >102dB, with 20kHz digital low pass filter
• Crosstalk: Channel to Channel, stimulus at 20dBu, 10W output to receptor 8Ω load, 20Hz – 22kHz, <-70dB

C-LINK EXPANSION BUS

• Ports Type: RJ-45 (Cat5e or Cat6)
• C-Link In & Out: Proprietary Expansion Bus
• Audio: 150 Expansion channels
• Cable: Solid core, factory terminated Cat5e or 6 cable
• Distance: Up to 150’ (45M)

P-LINK PERIPHERAL BUS

• Ports Type: RJ-45 (Cat5e or Cat6)
• P-Link In & Out: Proprietary Peripheral Bus
• PoE In:
  • P-Link In Port
  • PoE 802.3af Mode B, Midspan
  • Power on “spare pairs” 4,5 and 7,8
  • Input voltage range: 48 V to 56 V
• Audio: Up to 3 Beamforming Microphone Array 2 units + up to 3 DIALOG 20 Wireless Receiver units + Up to 3 USB Expander units + Up to 3 GPIO Expander units
• Cable: Solid core, factory terminated Cat5e or 6 cable
• Distance: Up to 200’ (60 M)
• Long Distance P-Link:
  • Increases P-Link distance from 200 ft to 650 ft
  • 650 ft (200M) maximum cable distance between any two units
  • Cat6, 550 MHz, 23 AWG, solid conductor cable
  • Do not use Copper Clad Aluminum (CCA) cable
  • Available only for BFM2 peripheral units
  • 48 V PoE Midspan Mode B power injector for 1 BFM2 unit
  • 56 V PoE Midspan Mode B power injector for 3 BFM2 units